[SECURITY] [DLA 2668-1] samba security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2668-1 [email protected] https://www.debian.org/lts/security/ Abhijith PA May 29, 2021 https://wiki.debian.org/LTS -...

CVE-2020-20254

CVE-2020-20254 affects MikroTik RouterOS prior to version 6.47 (stable). A memory corruption vulnerability in the /nova/bin/lcdstat process allows an authenticated remote attacker to trigger a Denial of Service via a NULL pointer dereference. The issue is described as a memory corruption in that ...

openSUSE Security Update : samba (openSUSE-2021-636)

This update for samba fixes the following issues : - CVE-2021-20277: Fixed an out of bounds read in ldbhandlerfold bsc1183574. - CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. - CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs bsc1183572. - Avoid...

Security Bulletin: Samba for IBM i is affected by CVE-2021-20254

Summary Samba is supported on IBM i. IBM i has addressed the applicable CVE. Vulnerability Details CVEID: CVE-2021-20254 DESCRIPTION: Samba could allow a remote authenticated attacker to bypass security restrictions, caused by a coding error when converting SIDs to gids. By sending a...

Fedora: Security Advisory for samba (FEDORA-2021-7026246ea9)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Samba 3.6.0 < 4.12.15, 4.13.0 < 4.13.8, 4.14.0 < 4.14.4 File Access Vulnerability

Samba is prone to a unauthorized file access vulnerability. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Security fix for the ALT Linux 10 package samba version 4.14.4-alt2

May 6, 2021 Evgeny Sinelnikov 4.14.4-alt2 - Fix backward compatibility to fixed version of libldb with CVE-2021-20254. - Replace auth and vfs libraries from samba-libs to samba-dc-libs and samba packages. - Build without separated libnetapi private library...

CVE-2021-20254

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

CVE-2021-20254

Samba CVE-2021-20254 concerns the SMB/CIFS file server’s SID-to-GID mapping in the idmap cache. A flaw allows reading past the end of the array when a negative cache entry exists, potentially leaking group membership data into the process token and impacting data confidentiality and integrity. Af...

CVE-2021-20254

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

SUSE SLES12 Security Update : samba (SUSE-SU-2021:1492-1)

This update for samba fixes the following issues : CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. Avoid free'ing our own pointer in memcache when memcachetrim attempts to reduce cache size bsc1179156. Adjust smbcacls '--propagate-inheritance' feature to align with upstream...

FreeBSD : samba -- negative idmap cache entries vulnerability (6f33d38b-aa18-11eb-b3f1-005056a311d1)

The Samba Team reports : - CVE-2021-20254: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML...

openSUSE: Security Advisory for samba (openSUSE-SU-2021:0636-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Samba Security Announcements for...

SUSE SLES12 Security Update : samba (SUSE-SU-2021:1442-1)

This update for samba fixes the following issues : CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Samba vulnerability (USN-4930-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4930-1 advisory. Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users...

SUSE SLED15 / SLES15 Security Update : samba (SUSE-SU-2021:1444-1)

This update for samba fixes the following issues : CVE-2021-20277: Fixed an out of bounds read in ldbhandlerfold bsc1183574. CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs bsc1183572. Avoid free'ing o...

SUSE SLES12 Security Update : samba (SUSE-SU-2021:1439-1)

This update for samba fixes the following issues : CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. Adjust smbcacls '--propagate-inheritance' feature to align with upstream bsc1178469. Note that Tenable Network Security has extracted the preceding description block directly fro...

Ubuntu: Security Advisory (USN-4930-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE-SU-2021:1444-1 Security update for samba

This update for samba fixes the following issues: - CVE-2021-20277: Fixed an out of bounds read in ldbhandlerfold bsc1183574. - CVE-2021-20254: Fixed a buffer overrun in sidstounixids bsc1184677. - CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs bsc1183572. - Avoid...